could catechize
Regular verb: catechize - catechized- catechized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could catechize
you could catechize
she could catechize
we could catechize
you could catechize
they could catechize 	I could be catechizing
you could be catechizing
she could be catechizing
we could be catechizing
you could be catechizing
they could be catechizing	I could have catechized
you could have catechized
she could have catechized
we could have catechized
you could have catechized
they could have catechized	I could have been catechizing
you could have been catechizing
she could have been catechizing
we could have been catechizing
you could have been catechizing
they could have been catechizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not catechize
you could not catechize
she could not catechize
we could not catechize
you could not catechize
they could not catechize 	I could not be catechizing
you could not be catechizing
she could not be catechizing
we could not be catechizing
you could not be catechizing
they could not be catechizing	I could not have catechized
you could not have catechized
she could not have catechized
we could not have catechized
you could not have catechized
they could not have catechized	I could not have been catechizing
you could not have been catechizing
she could not have been catechizing
we could not have been catechizing
you could not have been catechizing
they could not have been catechizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I catechize?
could you catechize?
could she catechize?
could we catechize?
could you catechize?
could they catechize? 	could I be catechizing?
could you be catechizing?
could she be catechizing?
could we be catechizing?
could you be catechizing?
could they be catechizing? 	could I have catechized?
could you have catechized?
could she have catechized?
could we have catechized?
could you have catechized?
could they have catechized? 	could I have been catechizing?
could you have been catechizing?
could she have been catechizing?
could we have been catechizing?
could you have been catechizing?
could they have been catechizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not catechize?
could you not catechize?
could she not catechize?
could we not catechize?
could you not catechize?
could they not catechize? 	could I not be catechizing?
could you not be catechizing?
could she not be catechizing?
could we not be catechizing?
could you not be catechizing?
could they not be catechizing? 	could I not have catechized?
could you not have catechized?
could she not have catechized?
could we not have catechized?
could you not have catechized?
could they not have catechized? 	could I not have been catechizing?
could you not have been catechizing?
could she not have been catechizing?
could we not have been catechizing?
could you not have been catechizing?
could they not have been catechizing?